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Diffstat (limited to '3864/CH9/EX9.10/Ex9_10.sce')
-rw-r--r-- | 3864/CH9/EX9.10/Ex9_10.sce | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/3864/CH9/EX9.10/Ex9_10.sce b/3864/CH9/EX9.10/Ex9_10.sce new file mode 100644 index 000000000..8bdea9929 --- /dev/null +++ b/3864/CH9/EX9.10/Ex9_10.sce @@ -0,0 +1,51 @@ +clear +// +// + +//Initilization of Variables + +sigma=326 //N/mm**2 //stress +E=2*10**5 //N/mm**2 //Modulus of Elasticity +FOS=2 //Factor of safety +a=1*7500**-1 //Rankine's constant +D=350 //mm //Overall Depth + +//Cover plates +b1=500 //mm //width +t1=10 //mm //Thickness + +d=220 //mm //Distance between two channels + +L=6000 //mm //Length of column + +A=5366 //mm**2 //Area of Column section +I_xx=100.08*10**6 //mm**4 //M.I of x-x axis +I_yy=4.306*10**6 //mm**4 //M.I of y-y axis +C_yy=23.6 //mm //Centroid at y-y axis + +//Calculations + +//Symmetric axes are the centroidal axes is + +//M.I of Channel at x-x axis +I_xx_1=2*I_xx+2*(1*12**-1*b1*t1**3+b1*t1*(D*2**-1+t1*2**-1)**2) + +//M.I of Channel at y-y axis +I_yy_1=2*(I_yy+A*(d*2**-1+C_yy)**2)+2*12**-1*t1*b1**3 + +//As I_yy<I_xx +//So +I=I_yy_1 //mm**4 + +A2=2*A+2*t1*b1 //Area of channel + +k=(I*A2**-1)**0.5 //mm + +//Critical Load +P=sigma*A2*(1+a*(L*k**-1)**2)**-1 + +//Safe Load +S=P*2**-1*10**-3 //KN + +//Result +printf("\n Safe Load carrying Capacity is %0.2f KN",S) |